1、Centos Docker安装条件

centos7.0 64位

centos6.5或者更高版本，要求系统为64位，系统内核版本为2.6.32-421或者更更高

2、安装环境

[root@wrx ~]# uname -r
2.6.32-696.el6.x86_64
[root@wrx ~]# cat /proc/version
Linux version 2.6.32-696.el6.x86_64 (mockbuild@c1bm.rdu2.centos.org) (gcc version 4.4.7 20120313 (Red Hat 4.4.7-18) (GCC) ) #1 SMP Tue Mar 21 19:29:05 UTC 2017
You have new mail in /var/spool/mail/root
[root@wrx ~]#

3、安装

#安装
[root@wrx ~]# yum install docker-io -y
Installed:
  docker-io.x86_64 0:1.7.1-2.el6                                                                                                                                                                                                                                              

Dependency Installed:
  libcgroup.x86_64 0:0.40.rc1-24.el6_9              lua-alt-getopt.noarch 0:0.7.0-1.el6      lua-filesystem.x86_64 0:1.4.2-1.el6      lua-lxc.x86_64 0:1.0.11-1.el6      lxc.x86_64 0:1.0.11-1.el6      lxc-libs.x86_64 0:1.0.11-1.el6      rsync.x86_64 0:3.0.6-12.el6     
  xz.x86_64 0:4.999.9-0.5.beta.20091007git.el6     

Complete!
[root@wrx ~]# service docker status
docker is stopped
#启动
[root@wrx ~]# service docker start
Starting cgconfig service:                                 [  OK  ]
Starting docker:	                                   [  OK  ]
#加入开机启动
[root@wrx ~]# chkconfig --add docker
[root@wrx ~]# chkconfig docker on
[root@wrx ~]#

#查看docker版本信息
[root@wrx ~]# docker version
Client version: 1.7.1
Client API version: 1.19
Go version (client): go1.4.2
Git commit (client): 786b29d/1.7.1
OS/Arch (client): linux/amd64
Server version: 1.7.1
Server API version: 1.19
Go version (server): go1.4.2
Git commit (server): 786b29d/1.7.1
OS/Arch (server): linux/amd64
[root@wrx ~]# 

#